Xbox 360 slim elite black 250gb with two pads and 4 games or swap for slim ps3 250gb !

Literally 2months old. In perfect condition. Comes with two pads and charging dock. Four games....fifa 12, streetfighter 4 arcade edition, modern warfare 3, need for spee the run, still have 10 months of xbox live remaining so i wont erase the hard drive data. I would like to swap for slim ps3 250gb The xbox is new. No problems at all. My mates and family all have ps3 so i want one for online.